Test Index

Garbage Collection

Question : 7

Total: 7

Given:

1. class Eco {
2.   public static void main(String[] args) {
3.    Eco e1 = new Eco();
4.    Eco e2 = new Eco();
5.    Eco e3 = new Eco();
6.    e3.e = e2;
7.    e1.e = e3;
8.    e2 = null;
9.    e3 = null;
10.    e2.e = e1;
11.    e1 = null;
12.   }
13.   Eco e;
14. }

At what point is only a single object eligible for GC?

After line 8 runs.
After line 9 runs
After line 10 runs.
After line 11 runs.
Compilation fails.
Never in this program.
An exception is thrown at runtime.

Validate

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